darkside | 0a0c225f0e5ee941a79f2b7701f1285e4975a2859eb4d025d96d9e366e81abb9

General

Target

acer.exe
Size

56KB
MD5

979692cd7fc638beea6e9d68c752f360
SHA1

c511ae4d80aaa281c610190aa13630de61ca714c
SHA256

0a0c225f0e5ee941a79f2b7701f1285e4975a2859eb4d025d96d9e366e81abb9
SHA512

d7b7b6a968e6d7b7f3e7f98decb6b331b08122e491bf0b0dbe243223fb177218a758c34830f20c47f2a799acdd146297ec7f930c2bb4d5c6830ce65c8274ea6d
SSDEEP

768:piN4q1eksgR4SiI+rxQ3rjFrXRRWxXyw/Afy8fIaJ/ZB49j9xOOLd9kvAx0:g4HHerjZX7pLjJKjSO5i

Score

10^/10

darkside ransomware

Malware Config

Extracted

Path

C:\Recovery\README.977f5beb.TXT

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. Data leak ---------------------------------------------- First of all we have downloaded more then 500GB data from your network. Included: -Accounting data -Finance data -HR -Employees confidential data(photos, benefits, taxes, etc) -Marketing -Budgets -Taxes(sales tax compliance, property, income and franchise taxes, etc) -Payrolls -Banking data -Arbitration -Scans -Insurance -Reconciliations -Reports(monthly bank inventory, monthly financial, claims reports, etc) -Audits(DHG, insurance audits, etc) -B2B clients config data -Confidentiality 2020 -2020, 2021 Business plans -2019, 2020, 2021 years Closing (full dumps) -and a lot of other sensitive data Your personal leak page: http://darksidc3iux462n6yunevoag52ntvwp6wulaz3zirkmh4cnz6hhj7id.onion/162/thedixiegroup/LCfyHRcwffrYTblpZvoPO3XDbrYPcNu0wVAsH5p49LSjBfzTmtdXT48azXFlMu7q On the page you will find examples of files that have been downloaded. The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To delete all the stolen data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://dark24zz36xm4y2phwe7yvnkkkkhxionhfrwp67awpb3r3bdcneivoqd.onion/W57MRI9C7YZJUZEABBBYRQLSUTG22JZ9MAH0WT1ISHC405KP7Z2UWY3AI3J68DNM When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidc3iux462n6yunevoag52ntvwp6wulaz3zirkmh4cnz6hhj7id.onion/162/thedixiegroup/LCfyHRcwffrYTblpZvoPO3XDbrYPcNu0wVAsH5p49LSjBfzTmtdXT48azXFlMu7q

http://dark24zz36xm4y2phwe7yvnkkkkhxionhfrwp67awpb3r3bdcneivoqd.onion/W57MRI9C7YZJUZEABBBYRQLSUTG22JZ9MAH0WT1ISHC405KP7Z2UWY3AI3J68DNM

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (160) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

acer.exe

description ioc process

File opened (read-only) \??\F: acer.exe

description	ioc	process
File opened (read-only)	\??\F:	acer.exe

Drops file in System32 directory 16 IoCs

Processes:

acer.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\10887CBE30A9CC95557BE8BA75C22DFA	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\488B96E8949F53FFFD5CC8FC00A703E9	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\488B96E8949F53FFFD5CC8FC00A703E9	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	acer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\10887CBE30A9CC95557BE8BA75C22DFA	acer.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

acer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\977f5beb.BMP"	acer.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

acer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\Desktop	acer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\Desktop\WallpaperStyle = "10"	acer.exe

Modifies data under HKEY_USERS 40 IoCs

Processes:

acer.exeacer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Control Panel\International	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = a7b0992d0ef7e200e4bd7e19737cb09603d45137cf5e9241c2dce7a92c9690c8	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	acer.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	acer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	acer.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1"	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000	acer.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 7877e70cf25cb40f936060302adcb8685baa8cd909f699bd75ec291df7d75abc	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = d04f471ae76d9caf88ac4651144fa51a30eea8ea02772640076c92e5a75610c0	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 0a97e4b1aa89cc0534d81fc2b19108bd67f04df3d313b941a2faea3d996818c8	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = e8f19ee5c3ef5c775ed351a16cc421106094a4022c3faa78fdc47e144edd4477	acer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	acer.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 40ec03723e59e970104e37d56be2c04f391605775c795004166e8dfe3cf27aab	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d002e0062006c00660000000000	acer.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 714aed45a4ef5b8feabf363c7930874e2f4a2a750c5beb00365e2d8cf96046a2	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	acer.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 16f8deedeeb0ac61ca38cec718a670b34dee5e25b3739d837a2e92148421eec9	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700320000000000	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = fe806407b48c915a85dc3ad01ebb8268b02fcac9306db0765286f4fb90c4339f	acer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\977f5beb.BMP"	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	acer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 5c110000ed5bf58ed79ada01	acer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = a1f81eed77b25cdb6d50274f0f369e8ed87dfe7b260e0228d06bf76d36d2249a	acer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	acer.exe

Modifies registry class 5 IoCs

Processes:

acer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\977f5beb\DefaultIcon	acer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\977f5beb	acer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\977f5beb\DefaultIcon\ = "C:\\ProgramData\\977f5beb.ico"	acer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.977f5beb	acer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.977f5beb\ = "977f5beb"	acer.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

acer.exeacer.exe

pid	process
1824	acer.exe
1824	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe
4444	acer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2444 vssvc.exe
Token: SeRestorePrivilege 2444 vssvc.exe
Token: SeAuditPrivilege 2444 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	2444	vssvc.exe
Token: SeRestorePrivilege	2444	vssvc.exe
Token: SeAuditPrivilege	2444	vssvc.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

acer.exeacer.exe

description	pid	process	target process
PID 3404 wrote to memory of 1824	3404	acer.exe	acer.exe
PID 3404 wrote to memory of 1824	3404	acer.exe	acer.exe
PID 3404 wrote to memory of 1824	3404	acer.exe	acer.exe
PID 3404 wrote to memory of 1824	3404	acer.exe	acer.exe
PID 1824 wrote to memory of 4444	1824	acer.exe	acer.exe
PID 1824 wrote to memory of 4444	1824	acer.exe	acer.exe
PID 1824 wrote to memory of 4444	1824	acer.exe	acer.exe
PID 1824 wrote to memory of 2940	1824	acer.exe	acer.exe
PID 1824 wrote to memory of 2940	1824	acer.exe	acer.exe
PID 1824 wrote to memory of 2940	1824	acer.exe	acer.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\acer.exe
"C:\Users\Admin\AppData\Local\Temp\acer.exe"
1⤵
PID:2068

C:\Users\Admin\AppData\Local\Temp\acer.exe
"C:\Users\Admin\AppData\Local\Temp\acer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\acer.exe
  "C:\Users\Admin\AppData\Local\Temp\acer.exe"
  2⤵
  - Drops file in System32 directory
  - Sets desktop wallpaper using registry
  - Modifies Control Panel
  - Modifies data under HKEY_USERS
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Users\Admin\AppData\Local\Temp\acer.exe
    C:\Users\Admin\AppData\Local\Temp\acer.exe -work worker0 job0-1824
    3⤵
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    PID:4444
- - C:\Users\Admin\AppData\Local\Temp\acer.exe
    C:\Users\Admin\AppData\Local\Temp\acer.exe -work worker1 job1-1824
    3⤵
    - Enumerates connected drives
    PID:2940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Recovery\README.977f5beb.TXT

Filesize
3KB

MD5
164aa420be8e0c2bcdef574355edaa32

SHA1
4336eaafedfc18a27cdf42bffad63b5a54ea8231

SHA256
b326d11dd90c2e4efb0a384981f71c2bd1a6faa0553d6389acb08945b699f73d

SHA512
fd1437bc4f45e3f4b5c3d0e7fca9383f45edceb5c8cb603d0b8ee98350a5f2468c2aabdb66f16bdee0bac49afefa4300a093a54ee43b1ff28a541ae612e34d9d

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads